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How to Achieve 80+ Mbps Ethernet with W6300 on RP2350?

Achieve 80+ Mbps Ethernet on RP2350 using WIZnet W6300 via QSPI with hardware TCP/IP offload for low MCU overhead.

Benjamin

Published January 15, 2026

166 UCC

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31 VAR

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Original author: Debashis DasOriginal source (new tab)

How to Achieve 80+ Mbps Ethernet with W6300 on RP2350?

Components

Hardware components
W6100-EVB-Pico2

WIZnet - W6100-EVB-Pico2

x 1

Project description

Step 1: Understanding the Hardware The W6300-EVB-Pico2 combines Raspberry Pi RP2350 with the WIZnet W6300 Ethernet controller to deliver wired Ethernet speeds exceeding 80 Mbps. The W6300 integrates a 10/100 Mbps Ethernet PHY and a full hardware TCP/IP Offload Engine (TOE), reducing firmware complexity and MCU load. Key hardware characteristics include: QSPI interface optimized for high-throughput Ethernet transfers 64 KB internal SRAM allocated across 8 independent hardware sockets Dual-stack IPv4/IPv6 support with deterministic timing Operating temperature range of -20°C to +85°C for…

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